Bosch GLR225 Operating/Safety Instructions Manual

Brand: Bosch

Model: GLR225

Category: Laser levels

Type: Operating/Safety Instructions Manual

IMPORTANT: IMPORTANT : IMPORTANTE:

Read Before Using Lire avant usage Leer antes de usar

Operating/Safety Instructions

Consignes de fonctionnement/sécurité

Instrucciones de funcionamiento y seguridad

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Versión en español

See page 6 Voir page 25 Ver la página 43

GLR225

-2-

b c d ea

feg

-3-

1.6

-4-

-5-

DLA001

DLA002

6035961428

2609170085

1609203X36

1 609 203 X48

Rang

nde

-6-

LASER RADIATION. AVOID

DIRECT EYE EXPOSURE. DO NOT stare

into the laser light source. Never aim light

at another person or object other than the

workpiece. Laser light can damage

your eyes.

Read all instructions. Failure to follow all

instructions listed below may result in electric

shock, fire and/or serious injury.

Do not direct the laser beam at persons or animals and do

not stare into the laser beam yourself. This tool produces

laser class 2 laser radiation and complies with 21 CFR

1040.10 and 1040.11 except for deviations pursuant to

Laser Notice No. 50, dated June 24, 2007. This can lead to persons

being blinded.

General Safety Rules

WARNING

Working safely with the

rangefinder is possible only

when the operating and safety

information are read

completely and the

instructions contained therin

are strictly followed. Never

make warning labels on the

Rangefinder unrecognizable.

Never aim the beam at a

workpiece with a reflective

surface. Bright shiny reflective

sheet steel or similar reflective

surfaces are not recommended

for laser use. Reflective surfaces

could direct the beam back

toward the operator.

Take care to recognize the

accuracy and range of the

device. Measurement may not

be accurate if used beyond the

rated range of the device.

Use of controls or adjustments

or performance of procedures

other than those specified

herein may result in hazardous

radiation exposure.

The use of optical instruments

with this product will increase

eye hazards.

Have the rangefinder repaired

only through qualified

specialist using original spare

parts. This ensures that the

safety of the rangefinder

is maintained.

Do not allow children to use

the rangefinder without

supervision. They could

Safety Rules for Rangefinder

WARNING

-7-

unintentionally blind other persons.

Do not point the laser beam at

persons or animals and do not

look into the laser beam

yourself, not even from a

large distance.

Do not use the laser viewing

glasses as safety goggles. The

laser viewing glasses are used

for improved visualization of the

laser beam, but they do not

protect against laser radiation.

Do not use the laser viewing

glasses as sun glasses or in

traffic. The laser viewing glasses

do not afford complete UV

protection and reduce color

perception.

WARNING: Be sure to read and

understand all instructions in this

manual before using this product.

Failure to follow all instructions

may result in hazardous radiation

exposure, electric shock, fire,

and/or bodily injury.

CAUTION: Use of controls or

adjustments or performance of

procedures other than those

specified in this manual, may result

in hazardous radiation exposure.

CAUTION: The use of optical

instruments with this product will

increase eye hazard.

IMPORTANT: The following

labels are on your rangefinder for

your convenience and safety.

They indicate where the laser

light is emitted by the level.

ALWAYS BE AWARE of their

location when using the level.

ALWAYS: Make sure that any

bystanders in the vicinity of use

are made aware of the dangers

of looking directly into the

rangefinder.

DO NOT remove or deface any

warning or caution labels.

Removing labels increases the risk

of exposure to laser radiation.

DO NOT stare directly at the laser

beam or project the laser beam

directly into the eyes of others.

Serious eye injury could result.

DO NOT place the rangefinder in

a position that may cause anyone

to stare into the laser beam

intentionally or unintentionally.

Serous eye injury could result.

DO NOT use any optical tools

such as, but not limited to,

telescopes or transits to view the

laser beam. Serious eye injury

could result.

ALWAYS remove the batteries

when cleaning the laser light

aperture to laser lens.

DO NOT operate the rangefinder

around children or allow children

to operate the rangefinder.

Serious eye injury could result.

ALWAYS turn the rangefinder

“OFF” when not in use. Leaving

the rangefinder “ON” increases

the risk of someone inadvertently

staring into the laser beam.

Safe Operating Procedures

DO NOT operate the rangefinder

in combustible areas such as in

the presence of flammable

liquids, gases or dust.

ALWAYS position the rangefinder

securely. Damage to the

rangefinder and/or serious injury to

the user could result if the

rangefinder falls.

ALWAYS use only the accessories

that are recommended by the

manufacturer of your rangefinder.

Use of accessories that have been

designed for use with other

rangefinders could result in

serious injury.

DO NOT leave rangefinder “on”

unattended in any operation mode.

ALWAYS repair and servicing

must be performed by a qualified

repair facility. Repairs performed

by unqualified personnel could

result in serious injury.

DO NOT use this rangefinder for

any purpose other than those

outlined in this manual. This

could result in serious injury.

DO NOT disassemble the

rangefinder. There are no user

serviceable parts inside.

Disassembling the laser will void

all warranties on the product. Do

not modify the product in any

way. Modifying the rangefinder

may result in hazardous laser

radiation exposure.

-8-

Recycle raw materials & batteries instead of disposing of waste. The

unit, accessories, packaging & used batteries should be sorted for

environmentally friendly recycling in accordance with the

latest regulations.

WARNING: Batteries can

explode or leak, and can cause

injury or fire. To reduce this risk:

ALWAYS follow all instructions

and warnings on the battery label

and package.

DO NOT short any battery

terminals.

DO NOT charge alkaline batteries.

DO NOT mix old and new

batteries. Replace all of them at

the same time with new batteries

of the same brand and type.

DO NOT mix battery chemistries.

DISPOSE of batteries per local

code.

DO NOT dispose of batteries

in fire.

KEEP batteries out of reach of

children.

REMOVE batteries if the device

will not be used for several months.

Electrical Safety Procedures

Environment Protection

INTENDED USE

The rangefinder is intended for

measuring distances, lengths,

heights, clearances and for

calculating areas and volumes.

The rangefinder is suitable for

interior and exterior construction

site measuring.

PRODUCT FEATURES

The numbering of the product

features shown refers to the

illustration of the rangefinder on

the graphic page.

1 Reference point button

2 Memory retrieve button”M=”

3 Memory add button “M +”

4 MIN., MAX. measurement

button

5 Length, area and volume

measurement

6 Vial level

7 Display

8 Alignment aid

9 Laser warning label

10 Measurement button

11 Indirect measurement and

multi-surface area

measurement button

12 Memory subtraction

button ”M –”

13 Continuous laser

beam/change “unit of

measure” button

14 On/Off/Clear Button ”C”

15 Extension pin

16 Latch of the extension pin

17 1/4” threaded hole for

mounting optional tripod*

18 Latch of battery lid

19 Battery lid

20 Serial number label

21 Laser beam outlet

22 Reception lens

23 Protective case

24 Hand strap

25 Laser viewing glasses*

26 Laser target plate*

27 Hand strap mounting post

DISPLAY ELEMENTS

a Measured values stored

b Battery indication

c Problem temperature

indicator

d Measured value/result

e Unit of measure

f Measurement reference point

g Laser switched on

h Individual measured value (for

length measurement: result)

i Measure mode indicators

Length measurement

Area measurement

Volume measurement

Indirect length measurement

Wall surface measurement

Minimum measurement

Maximum measurement

* Optional Accessories

-9-

Functional Description

MIN

MAX

Article number

Dimensions

Measuring range

Distance measuring accuracy

–typical accuracy

Measuring duration

–typical

–maximum

Lowest indication unit

Operating temperature

Storage temperature

Relative air humidity, max.

Laser class

Laser type

Laser beam diameter (at 25°C/

77 °F), approx.

–at 33 ft (10 m) distance

–at 230 ft (70 m) distance

Batteries

Rechargeable battery

Battery service life, approx.

–Individual measurements,

approx.

–Continuous measurement

mode, approx..

3610K16610

2 5/16” x 4 x 1/14”

(58 x 100 x 32mm)

2 in ... 230 ft (0.05 ... 70m

)

±1/16 in

(±1.5 mm)

<0.5 s

4 s

1/16 in; 0.005 ft; 1mm

+14°F … + 122°F

(– 10 °C ... +50 °C)

– 4 °F ... +158 °F

(–20 °C ... +70 °C)

90 %

635 nm, <1 mW

1/4 in (6 mm)

1 5/8 in (42 mm)

4 x 1.5 V AAA (LR03)

4 x 1.2 V AAA (KR03)

30000

5 Hours

-10-

GLR225 Laser Rangefinder

Technical Data

Automatic switch-off after

approx..

–Laser

–Rangefinder (Without

measurement)

Weight according to

EPTA-Procedure 01/2003

Protection class (excluding

battery compartment)

20 s

5 min

6.35 oz (0.18 kg)

IP 54 (dust and Splash water

protected)

-11-

A) The working range increases

depending on how well the laser

light is reflected from the surface

of the target (scattered, not

reflective) and with increased

brightness of the laser point to the

ambient light intensity (interior

spaces, twilight). In unfavorable

conditions (e.g. when measuring

outdoors at intense sunlight), it

may be necessary to use the

target plate.

B) In unfavorable conditions (e.g.

at intense sunlight or an

insufficiently reflecting surface),

the maximum deviation is ±10 mm

per 70m (±7/16 in per 230 ft). In

favorable conditions, a deviation

influence of ±0.05 mm/m (±1/64 in

per 26 ft) must be taken into

account.

C) In the Min. /Max. measurement

function, the maximum operating

temperature is +40 °C (104 *F).

D) Fewer measurements are

possible when using 1.2 V

rechargeable batteries as

compared with 1.5 V batteries.

Please observe the article

number on the type plate of your

measuring tool. The trade names

of the individual measuring tools

may vary.

The measuring tool can be clearly

identified with the serial number

20 on the type plate.

INITIAL OPERATION

• Protect the rangefinder against

moisture and direct sun

irradiation.

• Do not expose the rangefinder

to extreme temperatures or

variations in temperature.

Switching On and Off

To switch on the rangefinder,

briefly press the On/Off button 14

or measuring button 10. When

switching on the rangefinder, the

laser beam is not switched

on yet.

To switch off the rangefinder,

press and hold the On/Off/clear

button 14 for a few seconds.

To save the batteries, the

rangefinder switches off

automatically after approx.. 5

minutes when no measurement

is carried out.

When a measured value has

been stored, it is retained in

automatic switch-off mode.

-12-

Inserting/Replacing the Battery

Use only alkali-manganese or

rechargeable batteries.

Fewer measurements are

possible when using 1.2 V

rechargeable batteries as

compared with 1.5 V batteries.

To open the battery lid 19, press

the latch 18 in the direction of

the arrow and remove the battery

lid. Insert the batteries provided.

Pay attention to the correct

polarity of the batteries according

to the representation in the

battery compartment.

When the battery symbol appears

in the display for the first time, then

at least 100 measurements are still

possible. The batteries must be

replaced when the battery symbol

flashes; taking measurements is

no longer possible.

Always replace all batteries at

the same time. Only use

batteries from one brand and

with the identical capacity.

• Remove the batteries from

the rangefinder when not

using it for extended

periods. When storing for

extended periods, the batteries

can corrode and discharge

themselves.

INSTALLING HAND STRAP

Feed string loop on end of hand

strap 24 under hand strap

mounting post 27 and pull out on

other side. Feed hand strap 24

through string loop end and

pull tight.

Preparation

Operation

-13-

When switching on the

rangefinder again, “M” is

indicated in the display.

Measuring Procedure

The rangefinder offers a variety

of different measuring modes that

can be selected by pushing the

corresponding mode button (see

“Measuring Mode”). After

switching on, the rangefinder is in

the “length measurement mode”.

Also, it is possible to select any of

the four different reference points

for the measurement by pushing

the reference point button 1 (see

“Selecting the Reference Point”).

After switching on, the rear edge

of the rangefinder is preset as the

reference point.

Upon selection of the measuring

mode and the reference point, all

further steps are carried out by

pushing the measuring

button 10.

With the reference level selected,

place the rangefinder against the

desired measuring line

(e.g. a wall).

Push the measuring button 10 to

switch on the laser beam.

Do not point the

laser beam at persons or

animals and do not look into

the laser beam yourself, not

even from a large distance.

Aim the laser beam at the target

surface. Push the measuring

button 10 again to initiate the

measurement.

In the continuous laser beam

mode, the measurement already

starts upon first actuation of the

measuring button 10.

The measured value appears

after 0.5 to 4 seconds. The

duration of the measurement

depends on the distance, the

light conditions and the reflection

properties of the target surface.

The end of the measurement is

indicated by a signal tone. The

laser beam is switched off

automatically upon completion of

the measurement.

When no measurement has

taken place approx.. 20 seconds

after sighting, the laser beam is

switched off automatically to save

the batteries.

Selecting the Reference Point

(see figures B–E)

For measuring, it is possible to

select from four different

reference points:

• the rear edge of the

rangefinder (e.g., when placing

the measuring rangefinder

flush against a wall),

• the rear edge of the extension

pin 15 (e.g., for measurements

out of corners).

• the front edge of the

rangefinder (e.g., as when

measuring from the edge of a

table onward),

• the center of the 1/4” threaded

hole 17 (e.g., for measuring

with the tripod).

WARNING

-14-

To select the reference point,

push button 1 repeatedly until the

required reference point is

indicated in the display. Each

time after switching on, the rear

edge of the rangefinder is preset

as the reference point.

Changing the Unit of Measure

The unit of measure can be

changed any time for display of

the measured values, even for

already measured or calculated

values.

For display of the current length

measurement values, the units of

measure shown above are

available.

Area and volume values as well

as stored measured values can

only be displayed in “ft” or “m”.

To change the unit of measure,

push button 13 until a new unit of

measure is displayed.

The unit-of-measure setting is

retained when switching the

rangefinder on or off.

Continuous Laser Beam

If required, the rangefinder can

be set so that the laser beam

stays on in between

measurements. For this, Briefly

push button 13. The indication

“LASER” lights up continuously

in the display.

Do not point the

laser beam at persons or

animals and do not look into

the laser beam yourself, not

even from a large distance.

In this setting, the laser beam

also remains switched on

between measurements; to take

measurement, it is only required

to push the measuring button

10 once.

To switch off the continuous laser

beam, briefly push button 13

again or switch the rangefinder

off. When switching on again, the

rangefinder is in the normal

operation; the laser beam only

appears when pushing the

measuring button 10.

MEASURING MODES

Length Measurement

For length measurements, push

button 5 until the indicator for

length measurement

appears in the display.

Press the measuring button 10

once for sighting and once more

to take the measurement.

The measured value is indicated

at the bottom in the display.

WARNING

-15-

Area Measurement

For area measurements, push

button 5 until the indicator for

area measurement

appears in the display.

Afterwards, measure the length

and the width, one after another,

in the same manner as a length

measurement. The laser beam

remains switched on between

both measurements.

After taking the second

measurement, the area is

automatically calculated and

displayed. The last individual

measured value is indicated at

the bottom in the display, while

the final result is shown at

the top.

Volume Measurement

For volume measurements, push

button 5 until the indicator for

volume measurement

appears in the display.

Afterwards, measure the length,

width and the height, one after

another, in the same manner as

for a length measurement. The

laser beam remains switched on

between all three measurements.

After taking the third

measurement, the volume is

automatically calculated and

displayed. The last individual

measured value is indicated at

the bottom in the display, while

the final result is shown at

the top.

Values above 999990 ft

cannot

be displayed; “Error” and “- - - -”

appear on the display. In this

case, switch the unit of measure

to meters (see “Changing the

Unit of Measure”, page 14).

Area or Volume Rounding of

Large Calculations

For values larger than 9999 feet

or meters the rangefinder rounds

the calculated value to the

nearest 10 feet or 10 meters.

Accuracy in such situations is

always 99.95% or better.

Minimum Measurement

(see figure F)

The minimum measurement is

used to determine the shortest

distance from a fixed reference

point. It is used, as an example,

for determining plumb lines or

horizontal partitions.

For minimum measurements,

press button 4 until “MIN”

appears in the display.

-16-

To start the measurement, briefly

push the measuring button 10.

Move the laser back and forth

over the requested target (e.g.,

the room ceiling for determining

the plumb line) in such a manner

that the reference point of the

measurement (e.g., the tip of the

extension pin 15) always

remains at the same location.

During the measurement, the

current length measurement

value is indicated at the bottom of

the display.

The minimum value is indicated

at the top right in the display. It is

always overwritten, when the

current length measurement

value is lower than the present

minimal value.

To end the minimum

measurement, briefly push the

measuring button 10. Pushing the

measuring button again starts a

new measurement.

Maximum Measurement

(see figure G)

The maximum measurement is

used to determine the greatest

distance from a fixed reference

point. It is used, as an example,

for determining diagonals.

For maximum measurements,

push button 4 until “MAX”

appears in the display.

To start the measurement, briefly

push the measuring button 10.

Move the laser back and forth

over the requested target (e.g.,

the room corner for determining

the diagonal) in such a manner

that the reference point of the

measurement (e.g., the tip of the

extension pin 15) always

remains at the same location.

During the measurement, the

current length measurement

value is indicated at the bottom of

the display.The minimum value is

indicated at the top right in the

display. It is always overwritten,

when the current length

measurement value is larger than

the present maximal value.

To end the maximum

measurement, briefly push the

measuring button 10. Pushing the

measuring button again starts a

new measurement.

Indirect Length Measurement

(see figure H)

The indirect length measurement

is used to measure distances

that cannot be measured directly

because an obstacle would

obstruct the laser beam or no

-17-

target surface is available as a

reflector. Correct results are

achieved only when the laser

beam and the sought distance

form an exact right angle (90°)

(Pythagorean Theorem).

In the illustrated example, the

length B is to be determined. For

this purpose, A and C must be

measured. A and B must form a

right angle.

For indirect length

measurements, push button 11

until the indicator for indirect

length measurement appears

in the display.

Measure the distance A as for a

length measurement. Pay

attention that the line segment A

and the sought distance B form a

right angle. Afterwards,

measure the distance C. The

laser beam remains switched on

between both measurements.

Pay attention that the reference

point of the measurement (e.g.,

the rear edge of the rangefinder)

is at the exact same location for

both measurements.

After completing the second

measurement, the distance B is

calculated automatically.The last

individual measured value is

indicated at the bottom in the

display, while the final result B is

indicated at the top in decimal

feet or meters.

Multi-Surface Area

Measurement (see figure I)

The multi-surface area

measurement is used to

determine the sum of several

individual surfaces with a

common length.

In the example shown, the total

surface of several walls that have

the same room height A, but

different lengths B, are to

be determined.

For multi-surface area

measurements, push button 11

until appears in the display.

Measure the room height A as for a

length measurement. The

measured value is indicated both at

the top and bottom in the display.

The laser remains switched on.

Afterwards, measure length B

the first wall. The surface is

automatically calculated and

indicated. The last length

measurement value is indicated

-18-

at the bottom in the display, while

the surface is indicated at the top.

The laser remains switched on.

Now, measure length B

of the

second wall. The individual

measuring value indicated at the

bottom of the display is added to

length B

and the sum of both

lengths is multiplied with the

stored length A. The total surface

value is indicated at the top in

the display.

In this manner, you can measure

any number of further lengths

, which are added and

multiplied with length A.

The condition for a correct

area/surface calculation is that

the first measured length (in the

example the room height A) is

identical for all partial surfaces.

To restart the multi-surface area

measurement, push button 11twice.

Continuous Measurement

(Tracking)(see figure J)

Use Min. / Max. measurement

mode for continuous

measurement function (tracking).

The continuous measurement

function (tracking) is used for the

transferring of measurements,

e.g., from construction plans. In

continuous measurement mode,

the rangefinder can be moved

relative to the target, whereby the

measured value is updated

approx.. every 0.5 seconds. As

an example, the user can move

from a wall to the required

distance, while the actual

distance can be read

continuously.

For continuous measurements,

select the Min. or Max.

measuring function. Move the

rangefinder until the required

distance value is indicated at the

bottom of the display.

Pushing the measurement button

10 interrupts the continuous

measurement.The current

measured value is indicated in

the bottom of display.

Repeated pushing of the

measuring button 10 starts the

measuring again.

The measuring automatically

switches off after 5 minutes. The

last measured value remains

indicated in the display. The

measuring can also be ended by

pushing button 5 or 11, which

changes the measuring mode.

Deleting Measured Values

Pushing on clear button 14

deletes the last individual

measuring value determined in

-19-

all measuring functions. Pushing

the button repeatedly deletes the

individual measured values in

reverse order.

In the multi-surface area

measurement mode, pushing

button 14 the first time deletes

the last individually measured

value; pushing the button a

second time deletes all

lengths B

Memory Modes

When switching off the

Rangefinder, the value in the

memory is retained.

In the multi-surface area measur-

ement mode, the total surface

value can be stored; in the

minimum and maximum

measuring mode, the minimum

and maximum value can be stored

correspondingly. Storing individual

measuring values within these

functions is not possible.

Storing/Adding Measured

Values

Push the memory add button 3 in

order to store the current

measured value – a length, area

or volume value, depending on

the current measuring function.

As soon as a value has been

stored, “M” is indicated in the

display and “add” is briefly

indicated next to it.

If a value is already stored in the

memory, the new value is added

to the memory contents,

however, only if it’s the same type

of measurement.

As an example, when an area

value is in the memory and the

current measured value is a

volume value, the addition cannot

take place. “Error” briefly flashes

in the display.

However, values of the same

type (e.g. length values) can be

added no matter if they have

been measured in feet and

inches, decimal feet or meters.

Subtracting Measured Values

Push the memory subtraction

button 12 in order to subtract the

current measured value from the

memory value. As soon as a

value has been subtracted, “M”

is indicated in the display and is

briefly followed by “SUB”.

If a value is already stored in the

memory, the new measured

value can be subtracted only

when the measures of unit

correspond (see “Storing/Adding

Measured Values”).

-20-

Displaying the Stored Value

Push the memory retrieve button

2 in order to display the value

stored in the memory. “M=” is

indicated in the display. When the

memory contents “M=” is

indicated in the display, it can be

doubled by pushing the memory

add button 3 or set to zero by

pushing the memory subtract

button 12.

The memorized values can only

be displayed in decimal feet

or meters.

Deleting the Memory

To delete the memory contents,

first push the memory retrieve

button 2, so that “M=” is

indicated in the display. Then

push the clear button 14; “M” is

no longer indicated in the display.

The reception lens 22 and the

laser beam outlet 21 must not be

covered when taking

a measurement.

The rangefinder must not be

moved while taking a

measurement (with the exception

of the continuous measurement

mode). Therefore, whenever

possible, place the rangefinder

against or on the measuring

points.

Measurement takes place at the

center of the laser beam, even

when target surfaces are sighted

at an incline.

The measuring range depends

upon the light conditions and the

reflection properties of the target

surface. For improved visibility of

the laser beam when working

outdoors and when the sunlight

is intense, use the laser viewing

glasses 25 and the laser target

plate 26, or shade off the

target surface.

When measuring against

transparent surfaces (e.g. glass,

water) or reflecting surfaces,

faulty measurements are

possible. Also, porous or

structured surfaces, air layers

Operating Instructions

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Bosch GLR225 Operating/Safety Instructions Manual

Brand: Bosch

Model: GLR225

Category: Laser levels

Type: Operating/Safety Instructions Manual

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Bosch GLR225 Operating/Safety Instructions Manual

Bosch GLR225 Operating/Safety Instructions Manual

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